If you don't like quests, you don't have to do them. One of the greatest things about EQ, is you don't have to do hardly anything that you don't want to. However, not doing some quests will make other things more difficult, if not impossible, at least at any given time.
As an example, newer expansion often require questing for faction in order to be able to buy spells and/or tomes (disciplines), as well as to get access to higher level content. These restrictions are often lifted or modified once the expansion has become old.
Questing in general, in EQ, won't do alot for you. Specific quests can be valuable in one way or another. Epics are good example of worthwhile quests to do.
Questing Info.
Yther Ore.